Windshaft-cartodb/test/acceptance/rate-limit-test.js
2020-12-16 16:32:32 +01:00

384 lines
12 KiB
JavaScript

'use strict';
require('../support/test-helper');
const assert = require('../support/assert');
const redis = require('redis');
const RedisPool = require('redis-mpool');
const cartodbRedis = require('cartodb-redis');
const TestClient = require('../support/test-client');
const UserLimitsBackend = require('../../lib/backends/user-limits');
const rateLimitMiddleware = require('../../lib/api/middlewares/rate-limit');
const serverOptions = require('../../lib/server-options');
const { RATE_LIMIT_ENDPOINTS_GROUPS } = rateLimitMiddleware;
let userLimitsApi;
let rateLimit;
let redisClient;
let testClient;
const keysToDelete = ['user:localhost:mapviews:global'];
const user = 'localhost';
let layergroupid;
const query = `
SELECT
ST_Transform('SRID=4326;POINT(-70 42)'::geometry, 3857) the_geom_webmercator,
1 cartodb_id,
2 val
`;
const createMapConfig = ({
version = '1.6.0',
type = 'cartodb',
sql = query,
cartocss = TestClient.CARTOCSS.POINTS,
cartocss_version = '2.3.0',
interactivity = 'cartodb_id',
countBy = 'cartodb_id'
} = {}) => ({
version,
layers: [{
type,
options: {
source: {
id: 'a0'
},
cartocss,
cartocss_version,
interactivity
}
}],
analyses: [
{
id: 'a0',
type: 'source',
params: {
query: sql
}
}
],
dataviews: {
count: {
source: {
id: 'a0'
},
type: 'formula',
options: {
column: countBy,
operation: 'count'
}
}
}
});
function setLimit (count, period, burst, endpoint = RATE_LIMIT_ENDPOINTS_GROUPS.ANONYMOUS) {
redisClient.SELECT(8, err => {
if (err) {
return;
}
const key = `limits:rate:store:${user}:maps:${endpoint}`;
redisClient.rpush(key, burst);
redisClient.rpush(key, count);
redisClient.rpush(key, period);
keysToDelete.push(key);
});
}
function getReqAndRes () {
return {
req: {},
res: {
headers: {},
set (headers, value) {
if (typeof headers === 'object') {
this.headers = headers;
} else {
this.headers[headers] = value;
}
},
locals: {
user: 'localhost'
}
}
};
}
function assertGetLayergroupRequest (status, limit, remaining, reset, retry, done) {
const response = {
status,
headers: {
'Content-Type': 'application/json; charset=utf-8',
'Carto-Rate-Limit-Limit': limit,
'Carto-Rate-Limit-Remaining': remaining,
'Carto-Rate-Limit-Reset': reset
}
};
if (retry) {
response.headers['Retry-After'] = retry;
}
testClient.getLayergroup({ response }, err => {
assert.ifError(err);
if (done) {
setTimeout(done, 1000);
}
});
}
function assertRateLimitRequest (status, limit, remaining, reset, retry, done) {
const { req, res } = getReqAndRes();
rateLimit(req, res, function (err) {
const expectedHeaders = {
'Carto-Rate-Limit-Limit': limit,
'Carto-Rate-Limit-Remaining': remaining,
'Carto-Rate-Limit-Reset': reset
};
if (retry) {
expectedHeaders['Retry-After'] = retry;
}
assert.deepStrictEqual(res.headers, expectedHeaders);
if (status === 200) {
assert.ifError(err);
} else {
assert.ok(err);
assert.strictEqual(err.message, 'You are over platform\'s limits: too many requests.' +
' Please contact us to know more details');
assert.strictEqual(err.http_status, 429);
assert.strictEqual(err.type, 'limit');
assert.strictEqual(err.subtype, 'rate-limit');
}
if (done) {
setTimeout(done, 1000);
}
});
}
describe('rate limit', function () {
before(function () {
global.environment.enabledFeatures.rateLimitsEnabled = true;
global.environment.enabledFeatures.rateLimitsByEndpoint.anonymous = true;
redisClient = redis.createClient(
{
port: global.environment.redis.port,
host: global.environment.redis.host
});
testClient = new TestClient(createMapConfig(), 1234);
});
after(function () {
global.environment.enabledFeatures.rateLimitsEnabled = false;
global.environment.enabledFeatures.rateLimitsByEndpoint.anonymous = false;
});
afterEach(function (done) {
keysToDelete.forEach(key => {
redisClient.del(key);
});
redisClient.SELECT(0, () => {
redisClient.del('user:localhost:mapviews:global');
redisClient.SELECT(5, () => {
redisClient.del('user:localhost:mapviews:global');
done();
});
});
});
it('should not be rate limited', function (done) {
const count = 1;
const period = 1;
const burst = 1;
setLimit(count, period, burst);
assertGetLayergroupRequest(200, '2', '1', '1', null, done);
});
it('1 req/sec: 2 req/seg should be limited', function (done) {
const count = 1;
const period = 1;
const burst = 1;
setLimit(count, period, burst);
assertGetLayergroupRequest(200, '2', '1', '1');
setTimeout(() => assertGetLayergroupRequest(200, '2', '0', '1'), 250);
setTimeout(() => assertGetLayergroupRequest(429, '2', '0', '1', '1'), 500);
setTimeout(() => assertGetLayergroupRequest(429, '2', '0', '1', '1'), 750);
setTimeout(() => assertGetLayergroupRequest(429, '2', '0', '1', '1'), 950);
setTimeout(() => assertGetLayergroupRequest(200, '2', '0', '1', null, done), 1050);
});
});
describe('rate limit middleware', function () {
before(function (done) {
global.environment.enabledFeatures.rateLimitsEnabled = true;
global.environment.enabledFeatures.rateLimitsByEndpoint.anonymous = true;
const redisPool = new RedisPool(global.environment.redis);
const metadataBackend = cartodbRedis({ pool: redisPool });
userLimitsApi = new UserLimitsBackend(metadataBackend, {
limits: {
rateLimitsEnabled: global.environment.enabledFeatures.rateLimitsEnabled
}
});
rateLimit = rateLimitMiddleware(userLimitsApi, RATE_LIMIT_ENDPOINTS_GROUPS.ANONYMOUS);
redisClient = redis.createClient(
{
port: global.environment.redis.port,
host: global.environment.redis.host
});
testClient = new TestClient(createMapConfig(), 1234);
const count = 1;
const period = 1;
const burst = 0;
setLimit(count, period, burst);
setTimeout(done, 1000);
});
after(function () {
global.environment.enabledFeatures.rateLimitsEnabled = false;
global.environment.enabledFeatures.rateLimitsByEndpoint.anonymous = false;
keysToDelete.forEach(key => {
redisClient.del(key);
});
});
it('1 req/sec: 2 req/seg should be limited', function (done) {
assertRateLimitRequest(200, 1, 0, 1);
setTimeout(() => assertRateLimitRequest(429, 1, 0, 0, 1), 250);
setTimeout(() => assertRateLimitRequest(429, 1, 0, 0, 1), 500);
setTimeout(() => assertRateLimitRequest(429, 1, 0, 0, 1), 750);
setTimeout(() => assertRateLimitRequest(429, 1, 0, 0, 1), 950);
setTimeout(() => assertRateLimitRequest(200, 1, 0, 1, null, done), 1050);
});
it('1 req/sec: 2 req/seg should be limited, removing SHA script from Redis', function (done) {
userLimitsApi.metadataBackend.redisCmd(
8,
'SCRIPT',
['FLUSH'],
function () {
assertRateLimitRequest(200, 1, 0, 1);
setTimeout(() => assertRateLimitRequest(429, 1, 0, 0, 1), 500);
setTimeout(() => assertRateLimitRequest(429, 1, 0, 0, 1), 500);
setTimeout(() => assertRateLimitRequest(429, 1, 0, 0, 1), 750);
setTimeout(() => assertRateLimitRequest(429, 1, 0, 0, 1), 950);
setTimeout(() => assertRateLimitRequest(200, 1, 0, 1, null, done), 1050);
}
);
});
});
const originalUsePostGIS = serverOptions.renderer.mvt.usePostGIS;
describe('rate limit and vector tiles (mapnik)', () => rateLimitAndVectorTilesTest(false));
describe('rate limit and vector tiles (postgis)', () => rateLimitAndVectorTilesTest(true));
function rateLimitAndVectorTilesTest (usePostGIS) {
before(function () {
serverOptions.renderer.mvt.usePostGIS = usePostGIS;
});
after(function () {
serverOptions.renderer.mvt.usePostGIS = originalUsePostGIS;
});
before(function (done) {
global.environment.enabledFeatures.rateLimitsEnabled = true;
global.environment.enabledFeatures.rateLimitsByEndpoint.tile = true;
redisClient = redis.createClient(
{
port: global.environment.redis.port,
host: global.environment.redis.host
});
const count = 1;
const period = 1;
const burst = 0;
setLimit(count, period, burst, RATE_LIMIT_ENDPOINTS_GROUPS.TILE);
testClient = new TestClient(createMapConfig(), 1234);
testClient.getLayergroup({ status: 200 }, (err, res) => {
assert.ifError(err);
layergroupid = res.layergroupid;
done();
});
});
after(function () {
global.environment.enabledFeatures.rateLimitsEnabled = false;
global.environment.enabledFeatures.rateLimitsByEndpoint.tile = false;
});
afterEach(function (done) {
keysToDelete.forEach(key => {
redisClient.del(key);
});
redisClient.SELECT(0, () => {
redisClient.del('user:localhost:mapviews:global');
redisClient.SELECT(5, () => {
redisClient.del('user:localhost:mapviews:global');
setTimeout(done, 1000);
});
});
});
it('mvt rate limited', function (done) {
const tileParams = (status, limit, remaining, reset, retry, contentType) => {
const headers = {
'Content-Type': contentType,
'Carto-Rate-Limit-Limit': limit,
'Carto-Rate-Limit-Remaining': remaining,
'Carto-Rate-Limit-Reset': reset
};
if (retry) {
headers['Retry-After'] = retry;
}
return {
layergroupid: layergroupid,
format: 'mvt',
response: { status, headers }
};
};
testClient.getTile(0, 0, 0, tileParams(200, '1', '0', '1'), (err) => {
assert.ifError(err);
testClient.getTile(
0,
0,
0,
tileParams(429, '1', '0', '0', '1', 'application/x-protobuf'),
(err, res, tile) => {
assert.ifError(err);
var tileJSON = tile.toJSON();
assert.strictEqual(Array.isArray(tileJSON), true);
assert.strictEqual(tileJSON.length, 2);
assert.strictEqual(tileJSON[0].name, 'errorTileSquareLayer');
assert.strictEqual(tileJSON[1].name, 'errorTileStripesLayer');
done();
}
);
});
});
}